1151320450115 has 32 divisors (see below), whose sum is σ = 1510478668800. Its totient is φ = 835495141120.

The previous prime is 1151320450031. The next prime is 1151320450121. The reversal of 1151320450115 is 5110540231511.

It is a happy number.

It is not a de Polignac number, because 1151320450115 - 2²⁴ = 1151303672899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49066256 + ... + 49089714.

It is an arithmetic number, because the mean of its divisors is an integer number (47202458400).

Almost surely, 2^{1151320450115} is an apocalyptic number.

1151320450115 is a deficient number, since it is larger than the sum of its proper divisors (359158218685).

1151320450115 is a wasteful number, since it uses less digits than its factorization.

1151320450115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387.

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 1151320450115 its reverse (5110540231511), we get a palindrome (6261860681626).

The spelling of 1151320450115 in words is "one trillion, one hundred fifty-one billion, three hundred twenty million, four hundred fifty thousand, one hundred fifteen".